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04277e02 | 1 | /* Copyright (C) 2004-2019 Free Software Foundation, Inc. |
0a901ba4 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
0a901ba4 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <mqueue.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include "tst-mqueue.h" | |
26 | ||
27 | #define TEST_FUNCTION do_test () | |
28 | static int | |
29 | do_test (void) | |
30 | { | |
31 | if (geteuid () != 0) | |
32 | { | |
33 | puts ("this test requires root"); | |
34 | return 0; | |
35 | } | |
36 | ||
37 | char name[sizeof "/tst-mqueue9-" + sizeof (pid_t) * 3]; | |
38 | snprintf (name, sizeof (name), "/tst-mqueue9-%u", getpid ()); | |
39 | ||
40 | struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = 1 }; | |
41 | mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
42 | ||
43 | if (q == (mqd_t) -1) | |
44 | { | |
45 | printf ("mq_open failed with: %m\n"); | |
46 | return 0; | |
47 | } | |
48 | else | |
49 | add_temp_mq (name); | |
50 | ||
51 | if (seteuid (1) != 0) | |
52 | { | |
53 | printf ("failed to seteuid (1): %m\n"); | |
54 | mq_unlink (name); | |
55 | return 0; | |
56 | } | |
57 | ||
f12ee389 | 58 | int result = 0; |
0a901ba4 UD |
59 | if (mq_unlink (name) == 0) |
60 | { | |
61 | puts ("mq_unlink unexpectedly succeeded"); | |
62 | result = 1; | |
63 | } | |
64 | else if (errno != EACCES) | |
65 | { | |
66 | printf ("mq_unlink did not fail with EACCES: %m\n"); | |
67 | result = 1;; | |
68 | } | |
69 | ||
70 | if (seteuid (0) != 0) | |
71 | { | |
72 | printf ("failed to seteuid (0): %m\n"); | |
73 | result = 1; | |
74 | } | |
75 | ||
76 | if (mq_unlink (name) != 0) | |
77 | { | |
78 | printf ("mq_unlink failed with: %m\n"); | |
79 | result = 1; | |
80 | } | |
81 | ||
82 | if (mq_close (q) != 0) | |
83 | { | |
84 | printf ("mq_close failed with: %m\n"); | |
85 | result = 1; | |
86 | } | |
87 | ||
88 | return result; | |
89 | } | |
90 | ||
91 | #include "../test-skeleton.c" |